switch maskfilters to sk_sp

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1852113003

Review URL: https://codereview.chromium.org/1852113003
diff --git a/src/animator/SkDrawEmboss.cpp b/src/animator/SkDrawEmboss.cpp
index a1cd4dc..9f50f24 100644
--- a/src/animator/SkDrawEmboss.cpp
+++ b/src/animator/SkDrawEmboss.cpp
@@ -29,6 +29,6 @@
 SkMaskFilter* SkDrawEmboss::getMaskFilter() {
     if (fSigma < 0 || fDirection.count() !=3)
         return nullptr;
-    return SkBlurMaskFilter::CreateEmboss(fSigma, fDirection.begin(),
-                                          fAmbient, fSpecular);
+    return SkBlurMaskFilter::MakeEmboss(fSigma, fDirection.begin(),
+                                        fAmbient, fSpecular).release();
 }